US$ 29.12
ghk-cu skin tightening effects ghk cu before and after Amazon.com: TOSOWOONG Copper Peptide Face Serum, Anti-Aging GHK-CU Before and After Pictures
Description
Many peptides demonstrate similar potency patterns

A 50mg vial with 5mL yields 10mg/mL a 5mg dose requires 0.5mL (50 units), easier to measure accurately than 0.2mL at 25mg/mL concentration

If deficiency is confirmed via blood test, loading doses may be recommended in line with NICE guidance

Swirl gently, refrigerate, protect from light, use within 28 days
